205969925

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^2\times {\mathrm{419}}^1$

素因数の和:542

約数の個数: 36

約数和(自身を含む): 298210080

約数和(自身を除く): 92240155

約数列:

[1, 5, 7, 25, 35, 53, 175, 265, 371, 419, 1325, 1855, 2095, 2809, 2933, 9275, 10475, 14045, 14665, 19663, 22207, 70225, 73325, 98315, 111035, 155449, 491575, 555175, 777245, 1176971, 3886225, 5884855, 8238797, 29424275, 41193985, 205969925]

約数ペア:

[(1, 205969925), (5, 41193985), (7, 29424275), (25, 8238797), (35, 5884855), (53, 3886225), (175, 1176971), (265, 777245), (371, 555175), (419, 491575), (1325, 155449), (1855, 111035), (2095, 98315), (2809, 73325), (2933, 70225), (9275, 22207), (10475, 19663), (14045, 14665)]